3042090 has 64 divisors (see below), whose sum is σ = 8553600. Its totient is φ = 767232.

The previous prime is 3042079. The next prime is 3042107. The reversal of 3042090 is 902403.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4834 + ... + 5426.

It is an arithmetic number, because the mean of its divisors is an integer number (133650).

Almost surely, 2^3042090 is an apocalyptic number.

3042090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3042090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4276800).

3042090 is an abundant number, since it is smaller than the sum of its proper divisors (5511510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3042090 is a wasteful number, since it uses less digits than its factorization.

3042090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3042090 is about 1744.1588230434. The cubic root of 3042090 is about 144.8963190643.

Adding to 3042090 its reverse (902403), we get a palindrome (3944493).

The spelling of 3042090 in words is "three million, forty-two thousand, ninety".